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Ubuntu 22.04 Kernel Stability Problems Resolution Patch SSA-2023-613-22

slackware
Calendar Grey April 14, 2026
Dist Slackware Esm H88
New xorg-server packages fix critical security issues in Slackware 15.0 and -current for enhanced system protection.
New xorg-server packages are available for Slackware 15.0 and -current to fix security issues.

Summary

Here are the details from the Slackware 15.0 ChangeLog: patches/packages/xorg-server-1.20.14-i586-19_slack15.0.txz: Rebuilt. This update fixes security issues: XKB Integer Underflow in XkbSetCompatMap(). XKB Out-of-bounds Read in CheckSetGeom(). XSYNC Use-after-free in miSyncTriggerFence(). XKB Out-of-bounds read in CheckModifierMap(). XKB Buffer overflow in CheckKeyTypes(). For more information, see: https://lists.x.org/archives/xorg-devel/2026-April/059446.html https://www.cve.org/CVERecord?id=CVE-2026-33999 https://www.cve.org/CVERecord?id=CVE-2026-34000 https://www.cve.org/CVERecord?id=CVE-2026-34001 https://www.cve.org/CVERecord?id=CVE-2026-34002 https://www.cve.org/CVERecord?id=CVE-2026-34003 (* Security fix *) patches/packages/xorg-server-xephyr-1.20.14-i586-19_slack15.0.txz: Rebuilt. patches/packages/xorg-server-xnest-1.20.14-i586-19_slack15.0.txz: Rebuilt. patches/packages/xorg-server-xvfb-1.20.14-i586-19_slack15.0.txz:

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Topics%20covered

Topics Covered

security advisory buffer overflow slackware Xorg server integer underflow use-after-free

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (http://osuosl.org) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you.
Updated packages for Slackware 15.0: ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-1.20.14-i586-19_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xephyr-1.20.14-i586-19_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xnest-1.20.14-i586-19_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xvfb-1.20.14-i586-19_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xwayland-21.1.4-i586-17_slack15.0.txz
Updated packages for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/xorg-server-1.20...

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MD5 Signatures

Slackware 15.0 packages: 9935c5c229bcab4edc593b3431158d3f xorg-server-1.20.14-i586-19_slack15.0.txz d626cec0003c688e9ddd8a4354be3865 xorg-server-xephyr-1.20.14-i586-19_slack15.0.txz 1a9f2c1f92980b59a4ad432165e8bb99 xorg-server-xnest-1.20.14-i586-19_slack15.0.txz 28d25dc6926c2acb01bf5fdb13d62b4c xorg-server-xvfb-1.20.14-i586-19_slack15.0.txz 77e1c32e47857c1613c389317301d9e4 xorg-server-xwayland-21.1.4-i586-17_slack15.0.txz
Slackware x86_64 15.0 packages: c4762ba3ba5f3f9a65009eeafb366384 xorg-server-1.20.14-x86_64-19_slack15.0.txz 5156374045dd79e29dc9f2abb619a2af xorg-server-xephyr-1.20.14-x86_64-19_slack15.0.txz 20bf03c1c7f694b57325d5523d0ddf4b xorg-server-xnest-1.20.14-x86_64-19_slack15.0.txz 40b9de889ed24fa4c0822aaf72c29d6e xorg-server-xvfb-1.20.14-x86_64-19_slack15.0.txz 3b14892335fb83ec4ad96aa3b0295c23 xorg-server-xwayland-21.1.4-x86_64-17_slack15.0.txz
Slackware -current packages: 6026945c1c8b8e462c5005669c54abd8 x/xorg-server-21.1.22-i686-1.txz 462cb1dba3886f17add9c48b037d766a x/xorg-server-xephyr-21.1.22-i686-1.txz c6adf21ce90ee79deae79a5ee42dc94b x/xorg-server-xnest-21.1.22-i686-1.txz 0d30f26e236abc661ad635c359dbeb9e x/xorg-server-xvfb-21.1.22-i686-1.txz 6b721a355c506a7e191c3ee7e35d1e4c x/xorg-server-xwayland-24.1.10-i686-1.txz
Slackware x86_64 -current packages: dae7283da10ba622614a29e7465a1fe1 x/xorg-server-21.1.22-x86_64-1.txz f538e1758ace5335e096be3e4c65b6bc x/xorg-server-xephyr-21.1.22-x86_64-1.txz 27f831896e9cd7ff83a7d4a7fccaf56e x/xorg-server-xnest-21.1.22-x86_64-1.txz 05ca6daa0237d8e1cfc86a30824d25b7 x/xorg-server-xvfb-21.1.22-x86_64-1.txz d7c57ad4679456a029d2e0563dff5b5c x/xorg-server-xwayland-24.1.10-x86_64-1.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory buffer overflow slackware Xorg server integer underflow use-after-free

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Installation Instructions

Installation instructions: Upgrade the packages as root: # upgradepkg xorg-server-*.txz

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